Sterigma ( pl . sterigmata ) a fingerlike projection upon which spores are formed in most basidiomycete fungi 担孢子梗：是大多数担子菌所具有的指状突起结构，其上着生担孢子。
2.
" they have fingerlike branches at the downhill end , and [ the deposits ] easily diverted around small obstacles . “在坡底它们有着手指状的分支，而且这些沉积物能很容易得绕开小的障碍物。 ”
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It is often disklike , sometimes divided into many fingerlike processes , and is particularly prominent in the brown algae ( e . g . fucus ) 通常呈圆盘状，有时分成指状，该结构在褐藻（如墨角藻）中尤为显著。
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African elephants have two fingerlike features on the end of their trunk that they can use to grab small items . ( asian elephants have one 非洲象的鼻子末端有两个手指状的东西可以用于抓取微小的东西（亚洲象只有一个。 ）
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A temporary fingerlike projection or lobe on the body of an ameboid cell . it is formed by a flowing action of the cytoplasm and functions in locomotion and feeding 指某变形虫细胞表面临时形成的指状突起或裂片。通过细胞质流动所形成，以完成运动和取食功能。
